e0472d7e8c
* doc/xml/manual/status_cxx2017.xml: Document std::byte support. * include/c_global/cstddef (std::byte): Define for C++17. * testsuite/18_support/byte/global_neg.cc: New test. * testsuite/18_support/byte/ops.cc: New test. * testsuite/18_support/byte/requirements.cc: New test. From-SVN: r246005
28 lines
1.1 KiB
C++
28 lines
1.1 KiB
C++
// Copyright (C) 2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=gnu++17" }
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// { dg-do compile { target c++1z } }
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#include <cstddef>
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static_assert( sizeof(std::byte) == sizeof(unsigned char) );
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static_assert( alignof(std::byte) == alignof(unsigned char) );
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// Use the built-in to avoid depending on <type_traits>
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__underlying_type(std::byte)* p = (unsigned char*)nullptr;
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